JP5521229B2 - Hydro and wind power generators - Google Patents

Hydro and wind power generators Download PDF

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JP5521229B2
JP5521229B2 JP2010086510A JP2010086510A JP5521229B2 JP 5521229 B2 JP5521229 B2 JP 5521229B2 JP 2010086510 A JP2010086510 A JP 2010086510A JP 2010086510 A JP2010086510 A JP 2010086510A JP 5521229 B2 JP5521229 B2 JP 5521229B2
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rotating plate
generator
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power transmission
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JP2011190793A (en
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仁始 山上
卓司 山▲崎▼
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株式会社山崎
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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Description

本発明は、自然エネルギーである水力及び風力を利用した発電装置に関するものである。  The present invention relates to a power generation apparatus using hydropower and wind power, which are natural energy.

従来、水力や風力を利用して発電をする発電装置は、多数開発されているが、季節や気候の変化による水力、風力の変化に対応して効率よく発電する発電装置は見当たらない。しかしながら、降雨等による水位の変化に対しては、浮力とテンションスプリングを利用して発電装置を自動的に昇降する方法が例えば、特許文献１に開示されている。
特開２００４−５２７３６号公報 Conventionally, many power generators that generate electricity using hydropower and wind power have been developed, but no power generator that efficiently generates power in response to changes in hydropower and wind power due to changes in seasons and climates has not been found. However, for example, Patent Document 1 discloses a method for automatically raising and lowering a power generation device using buoyancy and a tension spring against a change in water level due to rainfall or the like.
JP 2004-52736 A

上記特許文献１においては、羽根車とその側面に固定された歯車とそれらを昇降自在にする支持体と前記歯車と噛合する小歯車が固定された発電機とで構成された水力発電装置が記載されている。しかしながら、特許文献１記載の水力発電装置の構造は、降雨等による水位の変化に対して羽根車とその側面に固定された歯車が昇降するもので、前記歯車と噛合する小歯車とのギヤ比は一定に設定してあるため、必ずしも水量や流速に適応した発電機の出力は得られず、季節や気候の変化による水力の変化に対応したものではない。  In the above-mentioned Patent Document 1, a hydroelectric power generation device is described that includes an impeller, a gear fixed to a side surface thereof, a support that can move them up and down, and a generator to which a small gear that meshes with the gear is fixed. Has been. However, the structure of the hydroelectric generator described in Patent Document 1 is such that an impeller and a gear fixed to its side face rise and fall with respect to a change in water level due to rainfall or the like, and a gear ratio with a small gear meshing with the gear. Is set to be constant, the generator output adapted to the amount of water and the flow velocity is not necessarily obtained, and it does not correspond to the change in hydropower due to changes in season and climate.

本発明は、このような事情に鑑み、既設の水車あるいは風車に取り付け取り外しが可能で、水力や風力の変化にも対応できる水力及び風力発電装置を提供することを目的とする。  In view of such circumstances, it is an object of the present invention to provide a hydraulic power and wind power generator that can be attached to and detached from an existing water turbine or wind turbine and can cope with changes in hydraulic power and wind power.

本発明は上記目的を達成するために、本発明の請求項１に記載の水力及び風力発電装置は、水車あるいは風車の回転軸に回動板を固定し、前記回動板の一側面に同心円上に所要間隔で動力伝達ローラが回転自在に付設され、前記回動板と平行にスクリューが配設され、水車あるいは風車が回転することにより回転軸に固定された前記回動板が回転駆動され、前記動力伝達ローラが前記スクリューの羽根間に形成される凹部の側面に係合離脱することにより前記スクリューが回転し、前記スクリューに連設された発電機を回転させて発電するように構成されていることを特徴とするものである。  In order to achieve the above object, the hydraulic and wind power generator according to claim 1 of the present invention has a rotating plate fixed to a rotating shaft of a turbine or a wind turbine, and a concentric circle on one side of the rotating plate. A power transmission roller is rotatably attached to the rotating plate at a required interval, a screw is disposed in parallel with the rotating plate, and the rotating plate fixed to the rotating shaft is driven to rotate by rotating a water wheel or a windmill. The power transmission roller engages and disengages from the side surface of the recess formed between the blades of the screw, so that the screw rotates, and the generator connected to the screw rotates to generate power. It is characterized by that.

次に、本発明の請求項２に記載の水力及び風力発電装置は、水車あるいは風車の回転軸に回動板を固定し、前記回動板の一側面に径の異なる二つの同心円上に所要間隔で動力伝達ローラが回転自在に付設されていることを特徴とするものである。Next, in the hydraulic power and wind power generator according to claim 2 of the present invention , a rotating plate is fixed to a rotating shaft of a water turbine or a wind turbine , and required on two concentric circles having different diameters on one side surface of the rotating plate. The power transmission roller is rotatably attached at intervals.

次に、本発明の請求項３に記載の水力及び風力発電装置は、水車あるいは風車の回転軸に回動板を固定し、前記回動板の両側面に径の異なる二つの同心円上に所要間隔で動力伝達ローラが回転自在に付設されていることを特徴とするものである。Next, the hydraulic and wind power generator according to claim 3 of the present invention requires a rotating plate fixed to the rotating shaft of the water turbine or the wind turbine , and is required on two concentric circles having different diameters on both side surfaces of the rotating plate. The power transmission roller is rotatably attached at intervals.

次に、本発明の請求項４に記載の水力及び風力発電装置は、前記スクリューの羽根の外周部に歯車が形成され、その歯車が発電機の回転軸に取り付けられた歯車と噛み合い、発電機を回転させて発電することを特徴とするものである。  Next, in the hydraulic and wind power generation device according to claim 4 of the present invention, a gear is formed on the outer peripheral portion of the blade of the screw, and the gear meshes with a gear attached to the rotating shaft of the generator. It is characterized by generating electricity by rotating.

請求項１ないし請求項４に係る発明によれば、既設の水車あるいは風車の回転軸に取り付け及び取り外しが可能なため、水力や風力の変化に対応して、回動板に付設する動力伝達ローラの数及び付設する径を設定でき、さらにスクリューの配設位置も簡単に変更できるため、最適な増速比を得られ、効率よく発電できる。  According to the first to fourth aspects of the present invention, since it can be attached to and detached from the rotating shaft of the existing water turbine or wind turbine, the power transmission roller attached to the rotating plate in response to changes in hydraulic power or wind power. The number and the diameter to be attached can be set, and the position of the screw can be easily changed, so that an optimum speed increasing ratio can be obtained and power can be generated efficiently.

さらに、請求項４に係る発明によれば、発電機の着脱を簡単に行うことができる。スクリューの羽根の外周部に形成された歯車の歯数より少ない歯数の歯車が発電機の回転軸に取り付けられている場合、発電機を増速回転させることになり、発電機の出力を向上させることができる。  Furthermore, according to the invention which concerns on Claim 4, attachment or detachment of a generator can be performed easily. When a gear with fewer teeth than the gear teeth formed on the outer periphery of the blade of the screw is attached to the rotating shaft of the generator, the generator is rotated at a higher speed and the output of the generator is improved. Can be made.

本発明を実施するための最良の形態を図面に基づいて説明する。  The best mode for carrying out the present invention will be described with reference to the drawings.

図１は、本実施形態の水力発電装置の概略構成を平面図により示し、図２は本実施形態の風力発電装置の概略構成を側面図により示している。図３及び図４は、図２の風車を省略した風力発電装置の動力伝達部を示す底面図で、図３はスクリューの位置を外側の動力伝達ローラに配設した場合を示し、図４はスクリューの位置を内側の動力伝達ローラに配設した場合を示している。図５は、発電機を増速回転させる場合の動力伝達部を示している。図６は、スクリューの羽根の外周部に歯車が形成されている場合の動力伝達部を示している。図７及び図８は、スクリューと動力伝達ローラとの係合状態を示す断面図である。  FIG. 1 shows a schematic configuration of the hydroelectric generator of this embodiment in plan view, and FIG. 2 shows a schematic configuration of the wind power generator of this embodiment in side view. 3 and 4 are bottom views showing a power transmission unit of the wind turbine generator in which the wind turbine of FIG. 2 is omitted. FIG. 3 shows a case where the position of the screw is disposed on the outer power transmission roller, and FIG. The case where the position of the screw is disposed on the inner power transmission roller is shown. FIG. 5 shows a power transmission unit when the generator is rotated at a higher speed. FIG. 6 shows the power transmission unit in the case where gears are formed on the outer periphery of the blades of the screw. 7 and 8 are sectional views showing an engaged state between the screw and the power transmission roller.

図１に示した本実施形態の水力発電装置は、水車１の回転軸２に回動板３を固定し、前記回動板３の一側面に同心円上に所要間隔で動力伝達ローラ４が回転自在に付設され、前記回動板３と平行にスクリュー５が配設され、水車１が回転することにより回転軸２に固定された前記回動板３が回転駆動され、前記動力伝達ローラ４が前記スクリュー５の羽根間に形成される凹部の側面に係合離脱することにより前記スクリュー５が回転し、前記スクリュー５に連設された発電機６を回転させて発電することができる。  In the hydraulic power generation apparatus of the present embodiment shown in FIG. 1, a rotating plate 3 is fixed to a rotating shaft 2 of a water wheel 1, and a power transmission roller 4 rotates at a required interval concentrically on one side surface of the rotating plate 3. The screw 5 is arranged in parallel with the rotating plate 3, the rotating plate 3 fixed to the rotating shaft 2 is driven to rotate by rotating the water wheel 1, and the power transmission roller 4 is By engaging and disengaging from the side surface of the recess formed between the blades of the screw 5, the screw 5 rotates and the generator 6 connected to the screw 5 rotates to generate power.

図２に示した本実施形態の風力発電装置は、風車１１の回転軸１２に回動板１３を固定し、前記回動板１３の一側面に同心円上に所要間隔で動力伝達ローラ１４が回転自在に付設され、前記回動板１３と平行にスクリュー１５が配設され、風車１１が回転することにより回転軸１２に固定された前記回動板１３が回転駆動され、前記動力伝達ローラ１４が前記スクリュー１５の羽根間に形成される凹部の側面に係合離脱することにより前記スクリュー１５が回転し、前記スクリュー１５に連設された発電機１６を回転させて発電することができる。  In the wind turbine generator according to the present embodiment shown in FIG. 2, the rotating plate 13 is fixed to the rotating shaft 12 of the windmill 11, and the power transmission roller 14 rotates concentrically on one side surface of the rotating plate 13 at a required interval. The screw 15 is arranged in parallel with the rotating plate 13, and the rotating plate 13 fixed to the rotating shaft 12 is rotated by rotating the windmill 11, so that the power transmission roller 14 is By engaging and disengaging from the side surface of the recess formed between the blades of the screw 15, the screw 15 rotates, and the generator 16 connected to the screw 15 rotates to generate power.

さらに、例えば、前記スクリュー１５のリード寸法が動力伝達ローラ１４の間隔と同じとした場合、前記回動板１３に３２個の前記動力伝達ローラ１４が付設されているので、前記回動板１３が１回転すると前記スクリューは３２回転することになり、実質的に増速されて回転することになる。その結果、従来の増速部の構造を簡単にして増速することが行えることになる。  Further, for example, when the lead size of the screw 15 is the same as the interval between the power transmission rollers 14, 32 power transmission rollers 14 are attached to the rotation plate 13. When one rotation is made, the screw rotates 32 times, and is substantially accelerated and rotated. As a result, the structure of the conventional speed increasing portion can be simplified and increased.

また、図３に示した本実施形態の風力発電装置における動力伝達部は、風車の回転軸２２に回動板２３を固定し、前記回動板２３の一側面に径の異なる二つの同心円上に所要間隔で動力伝達ローラ２４が回転自在に付設され、前記回動板２３と平行にスクリュー２５が配設され、風車が回転することにより回転軸２２に固定された前記回動板２３が回転駆動され、径の大きい同心円上に付設された前記動力伝達ローラ２４ａが前記スクリュー２５の羽根間に形成される凹部の側面に係合離脱することにより前記スクリュー２５が回転し、前記スクリュー２５に連設された発電機２６を回転させて発電することができる。  Further, the power transmission unit in the wind turbine generator according to the present embodiment shown in FIG. 3 has a rotating plate 23 fixed to the rotating shaft 22 of the windmill, and two concentric circles having different diameters on one side surface of the rotating plate 23. A power transmission roller 24 is rotatably attached at a required interval, a screw 25 is disposed in parallel with the rotating plate 23, and the rotating plate 23 fixed to the rotating shaft 22 rotates by rotating the windmill. When the power transmission roller 24a, which is driven and attached on a concentric circle having a large diameter, engages and disengages from the side surface of the recess formed between the blades of the screw 25, the screw 25 rotates and is connected to the screw 25. It is possible to generate electricity by rotating the installed generator 26.

径の小さい同心円上に付設された前記動力伝達ローラ２４ｂの間隔は、径の大きい同心円上に付設された前記動力伝達ローラ２４ａと同じ間隔であるため、径の小さい同心円上に付設された前記動力伝達ローラ２４ｂの数は、径の大きい同心円上に付設された前記動力伝達ローラ２４ａの数より少ない。また、前記スクリュー２５の羽根間に形成される凹部は、前記動力伝達ローラ２４の径より大きいため、図３に示すように、径の小さい同心円上に付設された前記動力伝達ローラ２４ｂに係合離脱するように前記スクリュー２５の外側から簡単に配設することができる。前記回動板２３の回転トルクを前記スクリュー２５に伝達する場合、径の小さい同心円上に付設された前記動力伝達ローラ２４ｂを介する方が、径の大きい同心円上に付設された前記動力伝達ローラ２４ａを介するよりも前記スクリュー２５に伝達できる回転トルクは大きい。しかし、前記スクリュー２５の回転速度は前記動力伝達ローラ２４の数が多く付設された径の方が速くなる。  The power transmission roller 24b provided on the concentric circle having a small diameter is the same distance as the power transmission roller 24a provided on the concentric circle having a large diameter, so that the power provided on the concentric circle having a small diameter is provided. The number of transmission rollers 24b is smaller than the number of the power transmission rollers 24a provided on a concentric circle having a large diameter. Further, since the recess formed between the blades of the screw 25 is larger than the diameter of the power transmission roller 24, it engages with the power transmission roller 24b provided on a concentric circle having a small diameter as shown in FIG. It can be easily arranged from the outside of the screw 25 so as to be detached. When the rotational torque of the rotating plate 23 is transmitted to the screw 25, the power transmission roller 24a attached on the concentric circle having a larger diameter is connected via the power transmission roller 24b attached on the concentric circle having a smaller diameter. The rotational torque that can be transmitted to the screw 25 is larger than that through the screw. However, the rotational speed of the screw 25 is higher when the number of the power transmission rollers 24 is increased.

したがって、風が強い時期には、図３に示すように前記スクリュー２５を径の大きい方に付設された前記動力伝達ローラ２４ａに配設し、風が弱い時期は、図４に示すように前記スクリュー２５を径の小さい方に付設された前記動力伝達ローラ２４ｂに配設することができるため、効率よく発電することができる。  Therefore, when the wind is strong, the screw 25 is disposed on the power transmission roller 24a attached to the larger diameter as shown in FIG. 3, and when the wind is weak, as shown in FIG. Since the screw 25 can be disposed on the power transmission roller 24b attached to the smaller diameter, power can be generated efficiently.

また、図６に示すように、スクリュー３５の羽根の外周部に歯車７が形成され、その歯車７が発電機２６の回転軸に取り付けられた歯車１７と噛み合い、発電機２６を回転させて発電することができる。すなわち、発電機２６の着脱を簡単に行うことができ、スクリュー３５の羽根の外周部に形成された歯車７の歯数より少ない歯数の歯車１７が発電機の回転軸に取り付けられている場合、発電機２６を増速回転させて発電させることが可能で、発電機の出力を向上させることができる。  Further, as shown in FIG. 6, a gear 7 is formed on the outer peripheral portion of the blade of the screw 35, the gear 7 meshes with a gear 17 attached to the rotating shaft of the generator 26, and the generator 26 is rotated to generate power. can do. That is, the generator 26 can be easily attached and detached, and the gear 17 having fewer teeth than the gear 7 formed on the outer periphery of the blade of the screw 35 is attached to the rotating shaft of the generator. The generator 26 can be rotated at an increased speed to generate power, and the output of the generator can be improved.

また、発電機を増速回転させる場合、図５に示すように、スクリュー４の端部を延長し、回動板２３に緩衝しないように歯車２７を取り付けなければならない。しかし、図６に示すようにスクリュー３５の羽根の外周部に歯車７を形成することにより、スクリューの端部を延長する必要がなくなり、大きな増速を得ることができる。ただし、図７及び図８に示すように、図５に示した動力伝達ローラ２４に比べて、図６に示した動力伝達ローラ３４は歯車７の歯たけの分だけ突出させて回動板２３に付設する必要がある。  When the generator is rotated at a higher speed, as shown in FIG. 5, the end of the screw 4 must be extended and the gear 27 must be attached so as not to be buffered by the rotating plate 23. However, by forming the gear 7 on the outer periphery of the blade of the screw 35 as shown in FIG. 6, it is not necessary to extend the end of the screw, and a large speed increase can be obtained. However, as shown in FIGS. 7 and 8, compared with the power transmission roller 24 shown in FIG. 5, the power transmission roller 34 shown in FIG. It is necessary to attach.

本実施形態の水力発電装置の概略構成を示す平面図である。It is a top view which shows schematic structure of the hydroelectric generator of this embodiment. 本実施形態の風力発電装置の概略構成を示す側面図である。It is a side view which shows schematic structure of the wind power generator of this embodiment. 本実施形態の風力発電装置においてスクリューを回動板の外側の動力伝達ローラに配設した場合の動力伝達部を示す底面図である。It is a bottom view which shows a power transmission part at the time of arrange | positioning a screw in the power transmission roller of the outer side of a rotation board in the wind power generator of this embodiment. 本実施形態の風力発電装置においてスクリューを回動板の内側の動力伝達ローラに配設した場合の動力伝達部を示す底面図である。It is a bottom view which shows a power transmission part at the time of arrange | positioning a screw in the power transmission roller inside a rotation board in the wind power generator of this embodiment. 本実施形態の風力発電装置において発電機を増速回転させる場合の動力伝達部を示す底面図である。It is a bottom view which shows the power transmission part in the case of rotating a generator at high speed in the wind power generator of this embodiment. 本実施形態の風力発電装置においてスクリューの羽根の外周部に歯車が形成されている場合の動力伝達部を示す底面図である。It is a bottom view which shows a power transmission part in case the gearwheel is formed in the outer peripheral part of the blade | wing of a screw in the wind power generator of this embodiment. 本実施形態の水力及び風力発電装置においてスクリューと動力伝達ローラとの係合状態を示す断面図である。It is sectional drawing which shows the engagement state of a screw and a power transmission roller in the hydraulic power and wind power generator of this embodiment. 本実施形態の水力及び風力発電装置においてスクリューの羽根の外周部に歯車が形成されている場合のスクリューと動力伝達ローラとの係合状態を示す断面図である。It is sectional drawing which shows the engagement state of the screw and power transmission roller in case the gearwheel is formed in the outer peripheral part of the blade | wing of a screw in the hydraulic power and wind power generator of this embodiment.

１ 水車
２，１２，２２ 回転軸
３，１３，２３ 回動板
４，１４，２４，２４ａ，２４ｂ，３４，３４ａ，３４ｂ 動力伝達ローラ
５，１５，２５，３５ スクリュー
６，１６，２６ 発電機
７，１７，２７，２８ 歯車
９，１９，２９ 軸受
１１ 風車1 Turbine 2, 12, 22 Rotating shafts 3, 13, 23 Rotating plates 4, 14, 24, 24a, 24b, 34, 34a, 34b Power transmission rollers 5, 15, 25, 35 Screws 6, 16, 26 Generator 7, 17, 27, 28 Gear 9, 19, 29 Bearing 11 Windmill

Claims (4)

水車あるいは風車の回転軸に回動板を固定し、前記回動板の一側面に同心円上に所要間隔で動力伝達ローラが回転自在に付設され、前記回動板と平行にスクリューが配設され、水車あるいは風車が回転することにより回転軸に固定された前記回動板が回転駆動され、前記動力伝達ローラが前記スクリューの羽根間に形成される凹部の側面に係合離脱することにより、前記スクリューが回転し、前記スクリューに連設された発電機を回転させて発電するように構成されていることを特徴とする水力及び風力発電装置。  A rotating plate is fixed to a rotating shaft of a water turbine or a windmill, a power transmission roller is rotatably attached to one side surface of the rotating plate at a required interval on a concentric circle, and a screw is disposed in parallel with the rotating plate. The rotating plate fixed to the rotating shaft is rotated by the rotation of the water wheel or the windmill, and the power transmission roller is engaged with and detached from the side surface of the recess formed between the blades of the screw, thereby A hydraulic power and wind power generator, characterized in that a screw rotates and a generator connected to the screw rotates to generate electricity. 水車あるいは風車の回転軸に回動板を固定し、前記回動板の一側面に径の異なる二つの同心円上に所要間隔で動力伝達ローラが回転自在に付設され、前記回動板と平行にスクリューが配設され、水車あるいは風車が回転することにより回転軸に固定された前記回動板が回転駆動され、前記動力伝達ローラが前記スクリューの羽根間に形成される凹部の側面に係合離脱することにより、前記スクリューが回転し、前記スクリューに連設された発電機を回転させて発電するように構成されていることを特徴とする水力及び風力発電装置。A rotating plate is fixed to a rotating shaft of a water wheel or a windmill, and a power transmission roller is rotatably attached at a required interval on two concentric circles having different diameters on one side surface of the rotating plate, in parallel with the rotating plate. The rotating plate fixed to the rotating shaft is driven to rotate by the rotation of the water wheel or windmill provided with a screw, and the power transmission roller is disengaged from the side surface of the recess formed between the blades of the screw. Thus, the hydraulic power and wind power generator are configured to generate electricity by rotating the screw and rotating a generator connected to the screw. 水車あるいは風車の回転軸に回動板を固定し、前記回動板の両側面に径の異なる二つの同心円上に所要間隔で動力伝達ローラが回転自在に付設され、前記回動板と平行にスクリューが配設され、水車あるいは風車が回転することにより回転軸に固定された前記回動板が回転駆動され、前記動力伝達ローラが前記スクリューの羽根間に形成される凹部の側面に係合離脱することにより、前記スクリューが回転し、前記スクリューに連設された発電機を回転させて発電するように構成されていることを特徴とする水力及び風力発電装置。A rotating plate is fixed to a rotating shaft of a water turbine or a windmill, and power transmission rollers are rotatably attached to two concentric circles having different diameters on both sides of the rotating plate at a required interval, in parallel with the rotating plate. The rotating plate fixed to the rotating shaft is driven to rotate by the rotation of the water wheel or windmill provided with a screw, and the power transmission roller is disengaged from the side surface of the recess formed between the blades of the screw. Thus, the hydraulic power and wind power generator are configured to generate electricity by rotating the screw and rotating a generator connected to the screw. 前記スクリューの羽根の外周部に歯車が形成され、前記歯車が発電機の回転軸に取り付けられた歯車と噛み合い、発電機を回転させて発電することを特徴とする請求項１ないし請求項３に記載の水力及び風力発電装置。  A gear is formed in the outer peripheral part of the blade | wing of the said screw, The said gear meshes with the gear attached to the rotating shaft of a generator, rotates a generator, and generates electric power. The hydro and wind power generators described.
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